diff --git a/test/test_span.py b/test/test_span.py
index dddd57f..b6f816e 100644
--- a/test/test_span.py
+++ b/test/test_span.py
@@ -233,7 +233,7 @@
 
         self.sub_if.admin_up()
         self.vapi.sw_interface_set_flags(self.vxlan.sw_if_index,
-                                         flags=1)
+                                         admin_up_down=1)
 
         self.bridge(self.vxlan.sw_if_index, is_add=1)
         # Create bi-directional cross-connects between pg0 subif and pg1